freebsd-skq/sys/dev/ppbus/vpoio.h
msmith 2fdb23234a Major ppbus updates from the author.
- ppbus now supports PLIP via the if_plip driver
 - ieee1284 infrastructure added, including parallel-port PnP
 - port microsequencer added, for scripting the sort of port I/O
   that is common with parallel devices without endless calls up and down
   through the driver structure.
 - improved bus ownership behaviour among the ppbus-using drivers.
 - improved I/O chipset feature detection

The vpo driver is now implemented using the microsequencer, leading to
some performance improvements as well as providing an extensive example
of its use.

Reviewed by:	msmith
Submitted by:	Nicolas Souchu <Nicolas.Souchu@prism.uvsq.fr>
1998-08-03 19:14:33 +00:00

85 lines
2.7 KiB
C

/*-
* Copyright (c) 1998 Nicolas Souchu
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: vpoio.h,v 1.1.2.3 1998/06/14 15:37:21 son Exp $
*
*/
#ifndef __VP0IO_H
#define __VP0IO_H
/*
* The ZIP drive cannot act as an initiator.
*/
#define VP0_INITIATOR 0x7
#define VP0_ESELECT_TIMEOUT 1
#define VP0_ECMD_TIMEOUT 2
#define VP0_ECONNECT 3
#define VP0_ESTATUS_TIMEOUT 4
#define VP0_EDATA_OVERFLOW 5
#define VP0_EDISCONNECT 6
#define VP0_EPPDATA_TIMEOUT 7
#define VP0_ENOPORT 9
#define VP0_EINITFAILED 10
#define VP0_EINTR 12
#define VP0_EOTHER 13
#define VP0_OPENNINGS 1
/*
* Data structure used during microsequence execution
* when characters are received in nibble mode
*/
struct vpo_nibble {
char h; /* most significant nibble */
char l; /* less significant nibble */
};
struct vpoio_data {
unsigned short int vpo_unit;
struct vpo_nibble vpo_nibble;
/* each device must have its own nibble inbyte microsequence */
struct ppb_microseq *vpo_nibble_inbyte_msq;
struct ppb_device vpo_dev;
};
#define vpoio_set_unit(vpo,unit) ((vpo)->vpo_unit = unit)
struct ppb_device *vpoio_probe(struct ppb_data *ppb, struct vpoio_data *vpo);
int vpoio_attach(struct vpoio_data *vpo);
int vpoio_detect(struct vpoio_data *vpo);
int vpoio_reset_bus(struct vpoio_data *vpo);
int vpoio_do_scsi(struct vpoio_data *vpo, int host, int target, char *command,
int clen, char *buffer, int blen, int *result, int *count,
int *ret);
#endif